Month: April 2014

Problem 198 Complete the following: 16 qt = —- gal   Solution 4

Problem 197 Complete the following statements by using milligram (mg), gram (g), or kilogram (kg): A penny has a mass of about 3 —?   Solution gram.  

Problem 196 Indicate whether the mass of the following objects could best be measured in grams or kilograms: The weight of an elementary school student.   Solution Kilogram.  

Problem 195 How do the  axes of rotational symmetry of an octahedron compare to the axes of rotational symmetry of a cube?   Solution Octahedron has 13 axes it would…

Problem 194 Name three regular polygons that will tessellate the plane.   Solution Square, triangle, hexagon

Problem 193 Describe the symmetry properties of the figures below:     Solution A: reflection B: rotational  

Problem 192 a.  Describe the different types of planes of symmetry of a regular octahedron. b. Describe the different types of axes of symmetry of a regular octahedron. c. Make a…

Problem 191 Describe the different axes of rotational symmetry for each of the figures shown below. Assume that the triangular faces of figure (a) are equilateral triangles and the non-triangular…

Problem 190 Show that Euler’s formula holds for the polyhedra called a right pentagonal prism.   Solution V=7, F=10, and E= 15; 7 +10=15 +2 Euler’s formula = V +F=E…